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发明名称
Способ производства работ по прокладке теплофикационных трубопроводов
摘要
申请公布号
SU85234(A1)
申请公布日期
1949.11.30
申请号
SU19480389441
申请日期
1948.12.29
申请人
KRASHENINNIKOV A.N.;LAZAREV P.A.
发明人
KRASHENINNIKOV A.N.;LAZAREV P.A.
分类号
F17D1/00;B66F19/00
主分类号
F17D1/00
代理机构
代理人
主权项
地址
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